Updated the entrypoint

.github/workflows/main.yml

@@ -12,5 +12,5 @@ jobs:
       - name: Starter Docker Test
         uses: cubetiq/starter-docker-actions@v0.9
         with:
-          shell: bash
+          shell: sh
           run: docker version

entrypoint.sh

@@ -11,7 +11,7 @@ then INPUT_OPTIONS="$INPUT_OPTIONS --network $INPUT_DOCKER_NETWORK"
 fi
 
 if [ -z $INPUT_SHELL ];
-then INPUT_SHELL=bash
+then INPUT_SHELL=sh
 fi
 
 if [ -z $INPUT_IMAGE ];